Advanced Python Development
Matthew Wilkes
Lightweight Django
Julia Elman & Mark Lavin
A Student's Introduction to English Grammar
Rodney Huddleston & Geoffrey K. Pullum
An Introduction to Riemann-Finsler Geometry
David Dai-Wai Bao & S.-S. Chern & Z. Shen
Causation and Explanation
Stathis Psillos
Works of Pierre-Joseph Proudhon
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The Conflict with Slavery Volume VII
John Greenleaf Whittier